<!DOCTYPE HTML>
<html>
<head>
  <title>Test OfflineAudioContext with a channel count less than the specified number</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="webaudio.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
  var ctx = new OfflineAudioContext(6, 100, 22050);

  var buf = ctx.createBuffer(2, 100, ctx.sampleRate);
  for (var i = 0; i < 2; ++i) {
    for (var j = 0; j < 100; ++j) {
      buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate);
    }
  }
  var emptyBuffer = ctx.createBuffer(1, 100, ctx.sampleRate);

  var src = ctx.createBufferSource();
  src.buffer = buf;
  src.start(0);
  src.connect(ctx.destination);
  ctx.destination.channelCountMode = "max";
  ctx.startRendering();
  ctx.oncomplete = function(e) {
    is(e.renderedBuffer.numberOfChannels, 6, "Correct expected number of buffers");
    compareChannels(e.renderedBuffer.getChannelData(0), buf.getChannelData(0));
    compareChannels(e.renderedBuffer.getChannelData(1), buf.getChannelData(1));
    for (var i = 2; i < 6; ++i) {
      compareChannels(e.renderedBuffer.getChannelData(i), emptyBuffer.getChannelData(0));
    }

    SimpleTest.finish();
  };
});

</script>
</pre>
</body>
</html>
